+86 131 7840 7856 WhatsApp Dongguan · Shaoguan · Wuhan, China

Custom 304 Stainless Steel Self Tapping Screws Pan Head Phillips Fine Thread For Electronics Enclosure Assembly Factories, Factory

Self tapping screws cut their own threads as you drive them in. No pre‑tapping needed. Three key decisions: material (metal/wood/plastic), head shape (flat/wafer/pan/hex), and thread (fine/coarse). Stainless steel, brass, galvanized, aluminium. Metric M2 to M6. Grade 4.8 to 12.9.

Product Description

Three decisions – one right screw
Choosing the right self tapping screw comes down to three simple decisions. Answer these, and you will pick the perfect screw every time.
Decision 1 – What material are you fastening?
Your material What you need Why
Thin metal sheet (0.5‑2mm) Fine thread, sharp point More threads per inch = stronger hold
Wood (soft or hardwood) Coarse thread, flat head Bites fast, sits flush
Plastic / PVC Wafer head, thread forming Wide clamp, no cracking
Trailer flooring Hex head, heavy duty galvanized High torque, rust protection
Electronics enclosure Pan head, stainless steel Clean appearance, corrosion resistant
Decision 2 – Which head shape?
Head shape Best for
Flat head Flush mounting. Screw sits level with the surface. Finished panels, furniture.
Wafer head Low profile, wide clamp. Pocket holes, thin sheet metal.
Pan head General purpose. Most common choice for assembly work.
Hex head High torque. Use a wrench. Metal framing, heavy duty.
Countersunk Sits completely below the surface. Smooth finish required.
Truss head Wide, low profile. Spreads pressure on soft materials.
Head shapes
Decision 3 – Which thread type?
Thread type Best for
Fine thread Thin metal, hard plastics. More holding power.
Coarse thread Wood, soft plastics. Faster engagement.
Thread forming Plastics. Forms threads without cutting. No chips.
Thread cutting Metal. Cuts threads. Requires less torque.
Materials available
Material Best for
304 stainless steel Outdoor, wet, general rust protection
316 stainless steel Marine, saltwater, chemical exposure
Brass Non‑magnetic, decorative, electronics
Zinc plated steel Cost effective, light outdoor
Aluminium Lightweight, non‑magnetic
Black oxide Matte finish, indoor use
Sizes & strength
  • Metric M2, M3, M4, M5, M6. Lengths 6‑50mm. Inch sizes also available.
  • Strength grades: 4.8 (general), 6.8 (higher), 8.8 (heavy), 10.9 & 12.9 (high strength).
Where professionals use them

Electronics enclosures, wood furniture, trailer floors, plastic junction boxes, sheet metal ducts, car interior trim, signs, and general factory assembly.

Quality assurance

ISO 9001 and ISO 10012 certified. Every batch inspected – thread gauging, hardness test.

Fastener Inspection and Features Production Process
Custom orders

Need a non‑standard size or a special head marking? Send us your drawing. We produce exactly what you need. OEM orders welcome.

  • Cut their own thread – no pre‑tapping needed
  • Flat head, wafer head, pan head, hex head, countersunk, truss head
  • Fine thread for thin metal, coarse thread for wood/plastic
  • 304 stainless, 316 stainless, brass, zinc plated, black oxide, aluminium
  • Metric M2 to M6, Grade 4.8 to 12.9
  • Ideal for electronics, wood furniture, trailer flooring, plastic enclosures
YH Fastener has been manufacturing precision fasteners since 1998. We specialize in self tapping screws, machine screws, shoulder screws, and custom fasteners. ISO 9001 and ISO 10012 certified. Factory direct. Ship to over 60 countries.
Factory Overview
Fastener Certificate and Facility Global Delivery Distribution
Need the right self tapping screw for your project?

Send us your drawing or sample. We will respond within 24 hours with a competitive quote. OEM and custom orders are welcome.

Frequently Asked Questions
What is the difference between thread forming and thread cutting screws?

Thread forming screws displace material to form threads without generating chips, which is ideal for plastics and soft metals. Thread cutting screws feature cutting edges that actively cut threads in harder metals, reducing drive torque.

When should I choose fine threads over coarse threads?

Choose fine threads when fastening thin sheet metal (0.5–2mm) or hard plastics because more threads engage per inch for optimal holding strength. Coarse threads are preferred for wood and soft plastics for faster driving and high pull-out resistance.

Which head shape is recommended for a smooth, flush surface?

Flat head and countersunk screws are designed specifically for flush or subsurface mounting, preventing surface interference on furniture panels and precision equipment.

Which stainless steel grade should I select for corrosive environments?

For general exterior applications and wet conditions, 304 stainless steel provides dependable rust resistance. For coastal, marine, chemical, or saltwater exposure, grade 316 stainless steel is highly recommended.

Do you offer custom dimensions, thread types, or special head markings?

Yes, we provide complete OEM manufacturing based on your CAD drawings or physical samples, including non-standard thread pitches, lengths from 6mm to 50mm, and custom head stamping.

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